Home / 385-577.25

Finding the Third Proportional to 385 and 577.25

Calculator

Solution

The third proportional to 385 and 577.25 is: 865.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    385 : 577.25 = 577.25 : x
  2. Step 2: Convert to fraction form
    385/577.25 = 577.25/x
  3. Step 3: Cross multiply
    385x = 577.25 × 577.25
  4. Step 4: Simplify right side
    385x = 333,217.56
  5. Step 5: Solve for x
    x = 333,217.56/385
  6. Step 6: Final answer
    x = 865.50

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.